Canada's Plant Hardiness Site

Asteraceae daisy family
Arnica lessingii (Torr. & A.Gray) Greene
En: Lessing's arnica, purple arnica, nodding arnica;
Fr: arnica de Lessing

• [=Arnica alpina (L.) Olin var. lessingii (Torr. & A.Gray) A.Gray]
• [=Arnica angustifolia Vahl var. lessingii Torr. & A.Gray - basionym]
• [=Arnica lessingii (Torr. & A.Gray) var. norbergii Hultén & Maguire]
• [=Arnica obtusifolia Less. var. acuta Raup]
• [=Arnica porsildorum B.Boivin]